slimanimation - to make stick figure or hand drawn animations
DeviantArt - deviantART was created to entertain, inspire, and empower the artist in all of us.
PaintBerri - PaintBerri is a free art site that offers an awesome oekaki community.
pixiv - pixiv is an illustration community service where you can post and enjoy creative work. A large variety of work is uploaded, and user-organized contests are frequently held as well.
Brush Ninja - Hand-drawn Animated Gif Creator
Pencil2D - Pencil2D is an opensource animation/drawing software for Mac OS X, Windows, and Linux, based on old...